7. Assuming $2000 annual contributions with 9% return, how much will an Individual Retirement Account (IRA) be worth in 30 years? 8. Suppose you begin saving for your retirement by depositing $2,000 per year in an IRA starting at the end of the year. If the interest rate is 7.5%, how much will you have in 40 years? 9. You are saving for a new house and you put $10,000 per year in an account paying 8%. The first payment is made today. How much will you have at the end of 3 years